Question

What do you understand by bases​

Answer 1

Explanation:

they are bitter in taste soapy innature

Answer 2

The substances like baking soda, which are bitter in taste and have a soapy touch are known as bases. The nature of such substances are known as basic.

$\sf \: Some \: examples \: are \: : NaOH, \: KOH, \: Mg(OH)_2$

$\sf \purple{\underline{Properties \: of \: Bases} : }$ ↴

(1). Bases have generally bitter taste.

(2). They are soapy to touch.

(3). They are corrosive in nature as they corrode wood, paper, skin, etc.

(4). They ture Red litmus to Blue.

(5). Basic Solution conduct electricity.

(6). Bases that dissolves in water are called alkalis.

$\sf \underline{All \: alkalis \: are \: bases \: but \: all \: bases \: are \: not \: alkalis.}$

(7). Bases react with acids to form salt and water.

$\sf \purple {\underline{Uses \: of \: Some \: common \: bases} : }$ ↴

$\bf \: (1). \: Sodium \: hydroxide \: (NaOH)$

It is used in manufacturing of soups, paper, rayan, textiles, medicines, soaps.

$\bf \: (2). \: Ammonium \: hydroxide \: (NH_4OH)$

It is used in manufacturing of fertilizers, plastic, ink remover and window cleaners.

$\bf \: (3). \: Calcium \: hydroxide \: (Ca(OH)_2)$

It is used for white washing of building, manufacturing of bleching powder, neutralisation of acidity of soil.